20944170

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:68

約数の個数: 168

約数和(自身を含む): 64806156

約数和(自身を除く): 43861986

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 81, 85, 90, 102, 117, 130, 135, 153, 162, 169, 170, 195, 221, 234, 243, 255, 270, 306, 338, 351, 390, 405, 442, 459, 486, 507, 510, 585, 663, 702, 729, 765, 810, 845, 918, 1014, 1053, 1105, 1170, 1215, 1326, 1377, 1458, 1521, 1530, 1690, 1755, 1989, 2106, 2210, 2295, 2430, 2535, 2754, 2873, 3042, 3159, 3315, 3510, 3645, 3978, 4131, 4563, 4590, 5070, 5265, 5746, 5967, 6318, 6630, 6885, 7290, 7605, 8262, 8619, 9126, 9477, 9945, 10530, 11934, 12393, 13689, 13770, 14365, 15210, 15795, 17238, 17901, 18954, 19890, 20655, 22815, 24786, 25857, 27378, 28730, 29835, 31590, 35802, 41067, 41310, 43095, 45630, 47385, 51714, 53703, 59670, 61965, 68445, 77571, 82134, 86190, 89505, 94770, 107406, 123201, 123930, 129285, 136890, 155142, 161109, 179010, 205335, 232713, 246402, 258570, 268515, 322218, 387855, 410670, 465426, 537030, 616005, 698139, 775710, 805545, 1163565, 1232010, 1396278, 1611090, 2094417, 2327130, 3490695, 4188834, 6981390, 10472085, 20944170]

約数ペア:

[(1, 20944170), (2, 10472085), (3, 6981390), (5, 4188834), (6, 3490695), (9, 2327130), (10, 2094417), (13, 1611090), (15, 1396278), (17, 1232010), (18, 1163565), (26, 805545), (27, 775710), (30, 698139), (34, 616005), (39, 537030), (45, 465426), (51, 410670), (54, 387855), (65, 322218), (78, 268515), (81, 258570), (85, 246402), (90, 232713), (102, 205335), (117, 179010), (130, 161109), (135, 155142), (153, 136890), (162, 129285), (169, 123930), (170, 123201), (195, 107406), (221, 94770), (234, 89505), (243, 86190), (255, 82134), (270, 77571), (306, 68445), (338, 61965), (351, 59670), (390, 53703), (405, 51714), (442, 47385), (459, 45630), (486, 43095), (507, 41310), (510, 41067), (585, 35802), (663, 31590), (702, 29835), (729, 28730), (765, 27378), (810, 25857), (845, 24786), (918, 22815), (1014, 20655), (1053, 19890), (1105, 18954), (1170, 17901), (1215, 17238), (1326, 15795), (1377, 15210), (1458, 14365), (1521, 13770), (1530, 13689), (1690, 12393), (1755, 11934), (1989, 10530), (2106, 9945), (2210, 9477), (2295, 9126), (2430, 8619), (2535, 8262), (2754, 7605), (2873, 7290), (3042, 6885), (3159, 6630), (3315, 6318), (3510, 5967), (3645, 5746), (3978, 5265), (4131, 5070), (4563, 4590)]